Subtopic: Measurement of force, stress, torque, speed, displacement and acceleration on machine elements – shafts, couplings, keys, bearings and knuckle joints
Question Statement:
To measure triaxial accelerations and whole-body vibrations experienced by tractor operators according to ISO 2631, the transducer used is a:
Options:
(A) Triaxial piezoelectric / MEMS accelerometer mounted in a seat pad
(B) LVDT displacement sensor on the steering wheel
(C) Bourdon pressure gauge
(D) Rotary optical encoder
Answer Key:
A
Step-by-Step Solution & Explanation
ISO 2631 standardizes human vibration measurement using a standardized semi-rigid rubber seat pad containing a triaxial accelerometer.